Search Results for: Vertebrates
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1,543 results
1,543 results for: Vertebrates
- Humans
Two feet or four, software is the same
All walking animals use the same basic nerve patterns to put one leg in front of the other(s).
- Life
Cilia control eating signal
Little hairlike appendages in brain cells control weight by sequestering an appetite hormone.
- Life
Walking may have had wet start
Based on the way that primitive lungfish use their fins to move along tank bottoms, researchers argue for an underwater start to four-legged locomotion.
- Life
Archaeopteryx wore black
Microscopic structures in an iconic fossil feather suggest that it was the color of a crow.
- Life
Old-fashioned fish regrow fins
Fish on an ancient line can regenerate lost limbs with newt-like flair, suggesting that ability was shared among ancient ancestors.
- Life
Fossil pushes back land-animal debut
Creatures first squished mud through their five toes millions of years earlier than previously believed.
- Paleontology
T. rex has another fine, feathered cousin
A trio of fossils from China may tip the scales on dinosaurs’ public image.
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Brain not required for antidepressant to act
In brewer’s yeast, the drug sertraline distorts membranes and triggers a self-cannibalizing process.
- Life
Blue-green algae release chemical suspected in some amphibian deformities
Retinoic acid levels high in waterways rich in cyanobacteria blooms.
- Paleontology
Not your typical pterosaur
A beautifully preserved fossil from Germany displays a wing unlike any ever seen.
- Paleontology
Early Biped Fossil Pops Up in Europe
A newly described, nearly complete 290-million-year-old fossil of an ancient reptile pushes back the evidence for terrestrial bipedalism by 60 million years.
- Paleontology
Did ancient wildfire end in barbecue?
Small pieces of large bones and petrified wood that show distinct signs of being burned may be evidence of a 74-million-year-old wildfire in central Wyoming.
